[Coco] Diecom light gun adapter

[Barry Nelson]

What about an LED display? They have much lower latency.

> Zippster zippster278 at gmail.com 
> Thu Jun 16 09:02:23 EDT 2016
> Yes, from what I was reading, there are two different systems using this
> general type of light gun.  
> 
> One calculates positioning information by drawing an entire field in white, 
> using the timing of the display scan, and when light is seen by the gun to 
> determine which part of the screen is being pointed at.  The compatibility
> issue here is that LCDs don’t scan left to right and top to bottom like a CRT, 
> as well as latency.
> 
> The other, which seems to be more common, draws the potential targets in a field
> when the trigger is pressed (in white), and if the gun sees light, it was pointed at the
> target.  The issue here just being latency.
> 
> The timing is of course very tight and has to be accurate in this type of system,
> so the latency of an LCD display breaks it.
> 
> Possibly the portions of software dealing with the timing could be rewritten to
> compensate for the delay, presuming a similar delay between LCD screens.
> 
> Otherwise a different system using IR sensors for positioning like a modern console
> would be the way to go, but then there’d be nothing written for it.
> 
> - Ed